forked from um/web
44 lines
1.1 KiB
TypeScript
44 lines
1.1 KiB
TypeScript
import BaseStorage, { KEY_PREFIX } from './BaseStorage';
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export default class BrowserNativeStorage extends BaseStorage {
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public static get works() {
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return typeof localStorage !== 'undefined' && localStorage.getItem;
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}
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protected async load<T>(name: string, defaultValue: T): Promise<T> {
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const result = localStorage.getItem(name);
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if (result === null) {
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return defaultValue;
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}
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try {
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return JSON.parse(result);
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} catch {
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return defaultValue;
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}
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}
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protected async save<T>(name: string, value: T): Promise<void> {
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localStorage.setItem(name, JSON.stringify(value));
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}
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public async getAll(): Promise<Record<string, any>> {
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const result = {};
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for (const [key, value] of Object.entries(localStorage)) {
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if (key.startsWith(KEY_PREFIX)) {
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try {
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Object.assign(result, { [key]: JSON.parse(value) });
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} catch {
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// ignored
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}
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}
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}
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return result;
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}
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public async setAll(obj: Record<string, any>): Promise<void> {
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for (const [key, value] of Object.entries(obj)) {
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await this.save(key, value);
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}
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}
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}
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